Dark Theme for YouTube™

Dark Theme for YouTube™ (also named, YouTube™ Dark) makes YouTube website be easier on your eyes at the night time. It adds a Dark theme to YouTube with a smooth black background.

a. Ultra lite addon for Opera browser.b. Automatically sets a Dark theme for all YouTube pages.c. Supports both HTML5 and Flash YouTube players.d. Has an in-page switch button (at top right corner in YouTube website) to turn the dark theme ON or OFF.